TUNDRA's Borealis chillers and heaters are the engine behind every cold plunge. They cool water on demand and maintain temperature precisely, with built-in ozone treatment and 20-micron cartridge filtration that keeps the same water clean for weeks. No ice. Plug in, set your target, step in.
Borealis™ Gen 5 — from S$3,990: The standard residential choice. Available in Pro (1.0 HP) and Elite (2.0 HP). Cools to 3°C, heats to 42°C. Runs on a standard 13A socket. Wi-Fi app control, transport wheels, energy-saving mode. The Pro suits most tubs up to ~600L; the Elite is recommended for larger tubs, hotter climates, or outdoor setups with limited shade.
Borealis™ CC — from S$5,490: Compact unit designed for smaller tubs and indoor setups. Cools to 1°C and heats to 45°C — the widest temperature range in the Borealis line. Lower noise and footprint than the Gen 5, suited for bedrooms and interior installations.
Borealis™ Ultra Gen 2 — from S$9,449: Commercial-grade output for high-volume pools, recovery facilities, and multi-tub setups. Significantly higher flow rate and cooling capacity for demanding environments.
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